All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.543 Membrane Proteins D008565 +
 D12.776.543.750 Receptors, Cell Surface D011956 +
 D12.776.543.750.720 Receptors, Neurotransmitter D017981 +
 D12.776.543.750.720.360 Receptors, Cholinergic D011950 +
 D12.776.543.750.720.700 Receptors, Purinergic D011983 +
 D12.776.543.750.720.200 Receptors, Amino Acid D017459 +
 D12.776.543.750.720.670 Receptors, Presynaptic D017661 +
 D12.776.543.750.720.300 Receptors, Biogenic Amine D017982 +
 D12.776.543.750.720.600 Receptors, Neuropeptide D018013 +